1390280864

素因数分解:

$2^5\times 7^1\times {\mathrm{199}}^1\times {\mathrm{31189}}^1$

素因数の和:31405

約数の個数: 48

約数和(自身を含む): 3143952000

約数和(自身を除く): 1753671136

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 199, 224, 398, 796, 1393, 1592, 2786, 3184, 5572, 6368, 11144, 22288, 31189, 44576, 62378, 124756, 218323, 249512, 436646, 499024, 873292, 998048, 1746584, 3493168, 6206611, 6986336, 12413222, 24826444, 43446277, 49652888, 86892554, 99305776, 173785108, 198611552, 347570216, 695140432, 1390280864]

約数ペア:

[(1, 1390280864), (2, 695140432), (4, 347570216), (7, 198611552), (8, 173785108), (14, 99305776), (16, 86892554), (28, 49652888), (32, 43446277), (56, 24826444), (112, 12413222), (199, 6986336), (224, 6206611), (398, 3493168), (796, 1746584), (1393, 998048), (1592, 873292), (2786, 499024), (3184, 436646), (5572, 249512), (6368, 218323), (11144, 124756), (22288, 62378), (31189, 44576)]